Github ssh key already in use

Describes the cause and action for error messages.

Error Message(English)：
ssh key already in use

Resolution

UI version 2.13 released | Platform.sh
https://platform.sh/2016/08/release-ui-2-13

Japanese translations for FusionForge. # Copyright c 2008-2013 ...
https://translationproject.org/PO-files/ja/fusionforge-5.3.ja.po

Japanese translations for FusionForge. # Copyright c 2008-2013 ...
http://translationproject.org/PO-files/ja/fusionforge-6.0rc4.ja.po

[Fusionforge-commits] FusionForge branch 6.0 updated. 6.0.4-55 ...
https://lists.fusionforge.org/pipermail/fusionforge-commits/2016-December/014681.html